fix(06.2): CR-01 event-type filter uses prefix LIKE match instead of exact equality

backend/api/audit.py

@@ -117,7 +117,7 @@ def _build_filtered_query(
     if user_id is not None:
         q = q.where(AuditLog.user_id == user_id)
     if event_type is not None:
-        q = q.where(AuditLog.event_type == event_type)
+        q = q.where(AuditLog.event_type.like(f"{event_type}%"))
     return q
 
 
@@ -156,7 +156,7 @@ def _build_filtered_query_with_handles(
     if user_uuid is not None:
         q = q.where(AuditLog.user_id == user_uuid)
     if event_type is not None:
-        q = q.where(AuditLog.event_type == event_type)
+        q = q.where(AuditLog.event_type.like(f"{event_type}%"))
     return q
 
 
@@ -281,7 +281,7 @@ async def list_audit_log(
     if user_uuid is not None:
         count_q = count_q.where(AuditLog.user_id == user_uuid)
     if event_type is not None:
-        count_q = count_q.where(AuditLog.event_type == event_type)
+        count_q = count_q.where(AuditLog.event_type.like(f"{event_type}%"))
     count_result = await session.execute(count_q)
     total = count_result.scalar_one()